Toán Lớp 9: Cho tam giác ABC có : BAC=90^o , AC:AB=3:4 , BC = 125 cm
tính AB,AC,HB,HC
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Toán Lớp 9: Cho tam giác ABC có : BAC=90^o , AC:AB=3:4 , BC = 125 cm
tính AB,AC,HB,HC
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